The document summarizes a report on developing a rating tool for sustainable communities in Australia. It discusses five key principles for sustainable communities - liveability, economic prosperity, environmental quality, place making, and urban governance. For each principle, it provides a literature review on current policy context, research, and existing measurement tools. The summary focuses on the section about liveability. It discusses definitions of liveability in policy and research, highlights common elements identified in Australia, and summarizes two major indices used internationally to measure liveability - the Economist Intelligence Unit quality of life index and Mercer's quality of living survey.